Home / 13,534,645.98-18,677,815.68-7,339,690.86

Finding the Fourth Proportional to 13,534,645.98, 18,677,815.68 and 7,339,690.86

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Solution

The fourth proportional to 13,534,645.98, 18,677,815.68 and 7,339,690.86 is: 10,128,775.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534,645.98 : 18,677,815.68 = 7,339,690.86 : x
  2. Step 2: Convert to fraction form
    13,534,645.98/18,677,815.68 = 7,339,690.86/x
  3. Step 3: Cross multiply
    13,534,645.98x = 18,677,815.68 × 7,339,690.86
  4. Step 4: Simplify right side
    13,534,645.98x = 137,089,393,031,260.69
  5. Step 5: Solve for x
    x = 137,089,393,031,260.69/13,534,645.98
  6. Step 6: Final answer
    x = 10,128,775.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.